Decide Number of input Parameters and Output Parameters - ANN
This should be possible given the fact that ANNs have the ability to do the feature engineering and feature selection tasks by themselves.

This means that given a lesser number of input parameters, the model will be able to generate and select additional features by itself. You will obviously not be able to understand or model these features manually.

The only thing to keep in mind is that you will need a large dataset and a number of iterations before you are able to achieve a decent accuracy.

For example, there are networks that can generate image from classes.
Give this a read and here is an example where the output layer is larger than the input layer.